Marks | 5 - 7 | 8 - 10 | 11 - 13 | 14 - 16 | 17 - 19 | 20 - 22 |
Frequency | 4 | 7 | 26 | 41 | 14 | 8 |
The table above shows the marks obtained by 100 pupils in a test. Find the upper class boundary of the class containing the third quartile.
13.0
16.0
16.5
22.5
Correct answer is C
The third quartile can be found in the (3N4)th position
= (3×1004)th position
This is found in the class 14 - 16.
The upper class boundary = 16.5
Given that P=(y−2y−1y−4y+2) and |P| = -2...
If 36, p,94 and q are consecutive terms of an exponential sequence (G.P), find the sum ...
The function f:F→R = \(f(x) = \begin{cases} 3x + 2 : x > 4 \\ 3x - 2 : x = 4 \\ ...
The initial velocity of an object is u=(−53)ms−1. If the a...
If \sin x = -\sin 70°, 0° < x < 360°, determine the two possible values of x....
Solve: 4sin^2θ + 1 = 2, where 0º < θ < 180º...
Which of the following is a factor of the polynomial 6x^{4} + 2x^{3} + 15x + 5?...
The line y = mx - 3 is a tangent to the curve y = 1 - 3x + 2x^{3} at (1, 0). Find the value ...